Mercurial Hosting > traffic-intelligence

annotate scripts/display-trajectories.py @ 492:30fb60428e09

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corrected bug
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 23 Apr 2014 16:20:40 -0400
parents f6415f012640
children 935430b1d408
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1 #! /usr/bin/env python
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3 import sys, argparse
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5 import storage, cvutils, utils
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7 from numpy.linalg.linalg import inv
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93c26e45efd8 modified functions to read velocities from sqlite database
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8 from numpy import loadtxt
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10 parser = argparse.ArgumentParser(description='The program displays feature or object trajectories overlaid over the video frames.', epilog = 'Either the configuration filename or the other parameters (at least video and database filenames) need to be provided.')
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11 parser.add_argument('--cfg', dest = 'configFilename', help = 'name of the configuration file')
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12 parser.add_argument('-d', dest = 'databaseFilename', help = 'name of the Sqlite database file')
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13 parser.add_argument('-i', dest = 'videoFilename', help = 'name of the video file')
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14 parser.add_argument('-t', dest = 'trajectoryType', help = 'type of trajectories to display', choices = ['feature', 'object'], default = 'feature')
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15 parser.add_argument('-o', dest = 'homographyFilename', help = 'name of the image to world homography file')
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16 parser.add_argument('-f', dest = 'firstFrameNum', help = 'number of first frame number to display', default = 0, type = int)
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17 parser.add_argument('-r', dest = 'rescale', help = 'rescaling factor for the displayed image', default = 1., type = float)
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d337bffd7283 Display of points in compute homography and step option to replay videos
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18 parser.add_argument('-s', dest = 'nFramesStep', help = 'number of frames between each display', default = 1, type = int)
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19 parser.add_argument('--save-images', dest = 'saveAllImages', help = 'save all images', action = 'store_true')
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20 parser.add_argument('--last-frame', dest = 'lastFrameNum', help = 'number of last frame number to save (for image saving, no display is made)', default = None, type = int)
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22 args = parser.parse_args()
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24 homography = None
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25 if args.configFilename: # consider there is a configuration file
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26 params = utils.TrackingParameters()
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27 params.loadConfigFile(args.configFilename)
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28 videoFilename = params.videoFilename
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29 databaseFilename = params.databaseFilename
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30 homography = inv(loadtxt(params.homographyFilename))
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31 firstFrameNum = params.firstFrameNum
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33 if args.videoFilename != None:
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34 videoFilename = args.videoFilename
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35 if args.databaseFilename != None:
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36 databaseFilename = args.databaseFilename
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37 if args.homographyFilename != None:
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38 homography = inv(loadtxt(args.homographyFilename))
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39 if args.firstFrameNum != None:
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40 firstFrameNum = args.firstFrameNum
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42 objects = storage.loadTrajectoriesFromSqlite(databaseFilename, args.trajectoryType)
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eaf7765221d9 added code to create bounding boxes and display them (inc scripts)
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43 boundingBoxes = storage.loadBoundingBoxTable(databaseFilename)
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44 cvutils.displayTrajectories(videoFilename, objects, boundingBoxes, homography, firstFrameNum, args.lastFrameNum, rescale = args.rescale, nFramesStep = args.nFramesStep, saveAllImages = args.saveAllImages)